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CVE-2026-23315— wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未检查帧长度，可能导致越界访问。

AI Predicted 4.9 Difficulty: Hard EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 577dbc6c656da6997dddc6cf842b7954588f2d4e< 84419556359bc96d3fe1623d47a64c86542566cc affected
577dbc6c656da6997dddc6cf842b7954588f2d4e< 7ae7b093b7dba9548a3bc4766b9364b97db4732d affected
577dbc6c656da6997dddc6cf842b7954588f2d4e< 7b692dff8df0ba5feb8df00f27d906d6eb1fe627 affected
577dbc6c656da6997dddc6cf842b7954588f2d4e< 9612d91f617231e03c49cb9b0c02f975a3b4f51f affected
577dbc6c656da6997dddc6cf842b7954588f2d4e< 0fb3b94a9431a3800717e5c3b6fa2e1045a15029 affected
577dbc6c656da6997dddc6cf842b7954588f2d4e< 4e10a730d1b511ff49723371ed6d694dd1b2c785 affected
5.10 affected
< 5.10 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-23315

Vulnerability Information
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Vulnerability Title
wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211() Check frame length before accessing the mgmt fields in mt76_connac2_mac_write_txwi_80211 in order to avoid a possible oob access. [fix check to also cover mgmt->u.action.u.addba_req.capab, correct Fixes tag]
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未检查帧长度，可能导致越界访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 577dbc6c656da6997dddc6cf842b7954588f2d4e ~ 84419556359bc96d3fe1623d47a64c86542566cc -
Linux Linux 5.10 -

II. Public POCs for CVE-2026-23315

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III. Intelligence Information for CVE-2026-23315

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Patches & Fixes for CVE-2026-23315 (6)

Same Patch Batch · Linux · 2026-03-25 · 116 CVEs total

CVE-2026-23395 8.8 HIGH Bluetooth: L2CAP: Fix accepting multiple L2CAP_ECRED_CONN_REQ
CVE-2026-31788 8.2 HIGH xen/privcmd: restrict usage in unprivileged domU
CVE-2026-23280 7.8 HIGH accel/amdxdna: Prevent ubuf size overflow
CVE-2026-23317 7.8 HIGH drm/vmwgfx: Return the correct value in vmw_translate_ptr functions
CVE-2026-23393 7.8 HIGH bridge: cfm: Fix race condition in peer_mep deletion
CVE-2026-23392 7.8 HIGH netfilter: nf_tables: release flowtable after rcu grace period on error
CVE-2026-23391 7.8 HIGH netfilter: xt_CT: drop pending enqueued packets on template removal
CVE-2026-23340 7.8 HIGH net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs
CVE-2026-23306 7.8 HIGH scsi: pm8001: Fix use-after-free in pm8001_queue_command()
CVE-2026-23372 7.8 HIGH nfc: rawsock: cancel tx_work before socket teardown
CVE-2026-23288 7.8 HIGH accel/amdxdna: Fix out-of-bounds memset in command slot handling
CVE-2026-23378 7.8 HIGH net/sched: act_ife: Fix metalist update behavior
CVE-2026-23336 7.8 HIGH wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()
CVE-2026-23351 7.8 HIGH netfilter: nft_set_pipapo: split gc into unlink and reclaim phase
CVE-2026-23383 7.8 HIGH bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing
CVE-2026-23350 7.8 HIGH drm/xe/queue: Call fini on exec queue creation fail
CVE-2026-23364 7.4 HIGH ksmbd: Compare MACs in constant time
CVE-2026-23294 7.0 HIGH bpf: Fix race in devmap on PREEMPT_RT
CVE-2026-23358 drm/amdgpu: Fix error handling in slot reset
CVE-2026-23357 can: mcp251x: fix deadlock in error path of mcp251x_open

Showing top 20 of 116 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-23315

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